The Java Developers Almanac 1.4

e1083. The Quintessential Program to Send E-Mail [J2EE]

    import java.io.*;
    import javax.mail.*;
    import javax.mail.internet.*;
    import javax.activation.*;
    
    public class SendApp {
        public static void send(String smtpHost, int smtpPort,
                                String from, String to,
                                String subject, String content)
                throws AddressException, MessagingException {
            // Create a mail session
            java.util.Properties props = new java.util.Properties();
            props.put("mail.smtp.host", smtpHost);
            props.put("mail.smtp.port", ""+smtpPort);
            Session session = Session.getDefaultInstance(props, null);
    
            // Construct the message
            Message msg = new MimeMessage(session);
            msg.setFrom(new InternetAddress(from));
            msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
            msg.setSubject(subject);
            msg.setText(content);
    
            // Send the message
            Transport.send(msg);
        }
    
        public static void main(String[] args) throws Exception {
            // Send a test message
            send("hostname", 25, "joe@smith.com", "sue@smith.com",
                 "re: dinner", "How about at 7?");
        }
    }